v3.22.1
Borrowings - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Long-term notes $ 7,430,000,000 $ 7,446,000,000
Long-term notes, fair value 7,253,000,000 7,700,000,000
Commercial Paper [Member]    
Debt Instrument [Line Items]    
Maximum amount available under facility 4,000,000,000  
Amount outstanding under credit facility 0  
2022 Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Unsecured revolving credit facility 4,700,000,000 $ 300,000,000
Additional amount available, subject to lender credit approval 1,000,000,000.0  
Maximum amount available under facility 5,700,000,000  
Amount outstanding under credit facility $ 0  
Extended debt instrument maturity date 2027-03  
Line of credit facility, covenant terms The 2022 credit facility requires the Company not to exceed a maximum leverage ratio (ratio of net debt to earnings before interest, taxes, depreciation and amortization, where net debt equals total debt less unrestricted cash) of 3 to 1  
Line of credit facility, covenant compliance satisfied with a ratio of less than 1 to 1